From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f169.google.com (mail-io0-f169.google.com [209.85.223.169]) by kanga.kvack.org (Postfix) with ESMTP id 6E36382F64 for ; Wed, 28 Oct 2015 18:32:18 -0400 (EDT) Received: by iodd200 with SMTP id d200so26977287iod.0 for ; Wed, 28 Oct 2015 15:32:18 -0700 (PDT) Received: from resqmta-ch2-04v.sys.comcast.net (resqmta-ch2-04v.sys.comcast.net. [2001:558:fe21:29:69:252:207:36]) by mx.google.com with ESMTPS id y6si243944iga.95.2015.10.28.15.32.17 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 28 Oct 2015 15:32:17 -0700 (PDT) Date: Wed, 28 Oct 2015 17:32:15 -0500 (CDT) From: Christoph Lameter Subject: Re: [patch 3/3] vmstat: Create our own workqueue In-Reply-To: <201510282057.JHI87536.OMOFFFLJOHQtVS@I-love.SAKURA.ne.jp> Message-ID: References: <20151028024114.370693277@linux.com> <20151028024131.719968999@linux.com> <20151028024350.GA10448@mtj.duckdns.org> <201510282057.JHI87536.OMOFFFLJOHQtVS@I-love.SAKURA.ne.jp> Content-Type: text/plain; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Tetsuo Handa Cc: htejun@gmail.com, akpm@linux-foundation.org, mhocko@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, hannes@cmpxchg.org, mgorman@suse.de On Wed, 28 Oct 2015, Tetsuo Handa wrote: > Christoph Lameter wrote: > > On Wed, 28 Oct 2015, Tejun Heo wrote: > > > > > The only thing necessary here is WQ_MEM_RECLAIM. I don't see how > > > WQ_SYSFS and WQ_FREEZABLE make sense here. > > > I can still trigger silent livelock with this patchset applied. Ok so why the vmstat updater still deferred, Tejun? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org